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From "Jim Kellerman (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-1399) Provide the ability to cache column data in memory
Date Mon, 21 May 2007 18:32:16 GMT
Provide the ability to cache column data in memory
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                 Key: HADOOP-1399
                 URL: https://issues.apache.org/jira/browse/HADOOP-1399
             Project: Hadoop
          Issue Type: New Feature
          Components: contrib/hbase
            Reporter: Jim Kellerman
            Priority: Minor


Bigtable allows column families to be served out of memory to reduce disk accesses.

Issues with this are:
- need region server row/value caching and block caching
- maintaining read cache coherency while writes are on-going.

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